SQL GROUP BY：获取索引视图的最新更新记录

I'm trying to do row versioning using an indexed view, grouping records by their key and timestamp, and taking the max(timestamp) record. This is fine, but the query I have used (see the view below) does a self join, meaning it can't be used in an indexed view, which i think will be essential to performance. Is there a way to rewrite the query so the view can be created successfully WITH SCHEMABINDING?I'm trying to do row versioning using an indexe